Security readout for executives and security teams
Plain-English summary
CVE-2026-21692 is a high-severity flaw in iccDEV, a library for handling ICC color profiles. Organizations are exposed if applications process untrusted or externally supplied ICC profiles using iccDEV versions before 2.3.1.2. Successful exploitation could affect confidentiality, integrity, and availability. The vendor advisory says version 2.3.1.2 contains the patch and no workarounds are available.
Executive priority
Treat as a priority patch for products or workflows that handle external media or color-profile files. Business urgency is highest where customers, suppliers, or automated systems can submit files containing ICC profiles.
Technical view
The issue is a type confusion vulnerability in ToXmlCurve() in IccXML/IccLibXML/IccMpeXml.cpp. The CVE maps it to CWE-20, CWE-588, CWE-704, and CWE-843. Affected versions are iccDEV before 2.3.1.2. CVSS 3.1 is 8.8 with AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H, indicating user interaction is required.
Likely exposure
Exposure is most likely in software, services, or pipelines that use iccDEV to parse, convert, inspect, or apply ICC color profiles, especially where profiles come from users, partners, files, uploads, or automated content workflows.
Exploitation context
The source bundle does not report known active exploitation, and CISA KEV status is false. The CVSS vector indicates exploitation can be network-adjacent in delivery but requires a user or workflow to process a crafted ICC profile.
Researcher notes
Public sources identify the vulnerable function and patched version but do not provide evidence of exploitation in the supplied data. Review the GitHub advisory, issue 388, and pull request 432 for patch context and regression-test planning.
Mitigation direction
- Upgrade iccDEV to version 2.3.1.2 or later.
- Prioritize systems processing untrusted or externally supplied ICC profiles.
- If immediate upgrade is not possible, check vendor guidance; no workaround is published.
- Limit ICC profile ingestion from untrusted sources where operationally feasible.
Validation and detection
- Inventory applications and build dependencies for iccDEV usage.
- Confirm deployed iccDEV versions are 2.3.1.2 or later.
- Review image, print, color, and media-processing workflows for ICC profile parsing.
- Verify the vendor patch or related pull request is included in your build.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-20: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCWE-588: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCWE-704: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCWE-843: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-21692 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-7662-mf46-wr88CVE reference · x_refsource_CONFIRM
- https://github.com/InternationalColorConsortium/iccDEV/issues/388CVE reference · x_refsource_MISC
- https://github.com/InternationalColorConsortium/iccDEV/pull/432CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.